Uc3m.libguides.com - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
41% 
Page structure
79% 
Link structure
100% 
Server
100% 
External factors
13% 
SEO Score
Response time
0.31 s
File size
31.90 kB
Words
214
Media files
27
Number of links
25 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Inicio - Guías temáticas UC3M - Índice at Universidad Carlos III de Madrid
The page title should be shorter than 580 pixels. It is 662 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: es
Language defined in HTML: es
Server location: United States of America
The following language is defined by HTML: es
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
robotsnoarchive
msapplication-TileColor#ffc40d
msapplication-config//dkou0skpxpnwz.cloudfront.net/apps/common/favicon/browserconfig.xml
theme-color#ffffff
DC.TitleÍndice: Guías temáticas UC3M: Inicio
DC.CreatorAdministrador 1
DC.SubjectEmpty
DC.Description<strong>Guías de recursos de la Biblioteca de la Universidad Carlos III de Madrid</strong> Guías de recursos de la Biblioteca de la Universidad Carlos III de Madrid
DC.PublishersUniversidad Carlos III de Madrid
DC.RightsCopyright Universidad Carlos III de Madrid 2025
DC.Languagees
DC.Identifierhttps://uc3m.libguides.com/c.php?g=499879&p=3422786
DC.Date.CreatedDec 22, 2014
DC.Date.ModifiedApr 24, 2025
langes
twitter:cardsummary_large_image
twitter:site@springshare
og:titleÍndice: Guías temáticas UC3M: Inicio
og:descriptionGuías de recursos de la Biblioteca de la Universidad Carlos III de Madrid Guías de recursos de la Biblioteca de la Universidad Carlos III de Madrid
og:typewebsite
og:urlhttps://uc3m.libguides.com/c.php?g=499879&p=3422786
X-UA-CompatibleIE=Edge
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 214 words on this page. Use at least 250 words to provide useful information.
15.9% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 20.67 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 73 characters this one is longer than 70 characters:
"guías de recursos de la biblioteca de la universidad carlos iii de madrid"
Image SEO
(Somewhat important)
23 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...zonaws.com/sites/7839/banner/banner1.pngBanner Image
...ws.com/accounts/94730/images/derecho.JPGNo alt attribute provided
...s.com/accounts/94730/images/economía.JPGNo alt attribute provided
...ws.com/accounts/94730/images/empresa.JPGNo alt attribute provided
....com/accounts/94730/images/geografía.JPGNo alt attribute provided
...com/accounts/94730/images/ingenieria.JPGNo alt attribute provided
...aws.com/accounts/94730/images/lengua.JPGNo alt attribute provided
...com/accounts/94730/images/periodismo.JPGNo alt attribute provided
...com/accounts/94730/images/sociologia.JPGNo alt attribute provided
...ws.com/accounts/94730/images/turismo.JPGNo alt attribute provided
...aws.com/accounts/94730/images/unionE.jpgNo alt attribute provided
...s.com/accounts/94730/images/Aprende1.JPGNo alt attribute provided
.../94730/images/CampusSaludables-color.pngNo alt attribute provided
....com/accounts/94730/images/ODSCOLOR3.jpgNo alt attribute provided
...m/accounts/94730/images/idiomascolor.JPGNo alt attribute provided
...aws.com/accounts/94730/images/medioa.JPGNo alt attribute provided
...zonaws.com/accounts/94730/images/rea.JPGNo alt attribute provided
...naws.com/accounts/94730/images/bbdd1.JPGNo alt attribute provided
...naws.com/accounts/94730/images/citas.JPGNo alt attribute provided
...naws.com/accounts/94730/images/tesis.JPGNo alt attribute provided
...zonaws.com/accounts/94730/images/tfg.JPGNo alt attribute provided
...s.com/accounts/94730/images/tfmcolor.JPGNo alt attribute provided
...com/accounts/114168/images/134145-64.pngemail
...com/accounts/114168/images/image__2_.pngNo alt attribute provided
...om/accounts/114168/images/2986198-64.pnginstagram
...accounts/114168/images/386622-64__1_.pngundefined
...pps/customers/4258/images/licenciaCC.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Guías temáticas UC3M: Inicio
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Guías temáticas UC3M: Inicio
H2 La Biblioteca ha organizado estas guías para...
H5 GUÍAS TEMÁTICAS
H5 OTRAS GUÍAS
H5 TRABAJOS ACADÉMICOS
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 11 external links on this page.

Found links on this page

LinkAttributesAnchor text
/guias_tematicasAnchor Ir al contenido principal
http://biblioteca.uc3m.es/External Subdomain IMG-ALT Banner Image
http://biblioteca.uc3m.es/External Subdomain Universidad Carlos III de Madrid
https://uc3m.libguides.com/Subdomain Índice
/guias_tematicasSubdomain Guías temáticas UC3M
/guias_tematicas/derechoSubdomain Derecho
/guias_tematicas/economiaSubdomain Economía
/guias_tematicas/empresaSubdomain Empresa
/guias_tematicas/geografiaSubdomain Geografía
/guias_tematicas/ingenieriaSubdomain Ingeniería
/Lengua_y_LiteraturaSubdomain Lengua y Literatura
/guias_tematicas/Periodismo_Co...Subdomain Periodismo y Comunicación Audiovisual
/guias_tematicas/sociologiaSubdomain Sociología y Ciencias Políticas
/guias_tematicas/turismoSubdomain Turismo
/guias_tematicas/unioneuropeaSubdomain Unión Europea
/aprende-a-usar-tu-bibliotecaSubdomain Aprende a usar tu biblioteca
/guias_tematicas/campus_saluda...Subdomain Campus Saludables. Guía de recursos
/ODS/inicioNew window Subdomain FONTIS: Producción científica UC3M sobre los ODS
/guias_tematicas/idiomasSubdomain Idiomas
/guias_tematicas/medio_ambienteSubdomain Medio ambiente
http://uc3m.libguides.com/reasSubdomain Recursos Educativos en Abierto
https://uc3m.libguides.com/az.phpSubdomain por materias
/prensaeSubdomain prensa electrónica
/guias_tematicas/citas_bibliog...Subdomain Citas bibliográficas
http://uc3m.libguides.com/TesisSubdomain Tesis doctoral
http://uc3m.libguides.com/TFGSubdomain Trabajo de Fin de Grado
http://uc3m.libguides.com/TFMSubdomain Trabajo de Fin de Máster
https://aplicaciones.uc3m.es/f...New window External Subdomain IMG-ALT email
https://twitter.com/uc3mbiblio...New window External No Text
https://instagram.com/uc3mbibl...New window External IMG-ALT instagram
https://www.facebook.com/uc3mb...New window External Subdomain IMG-ALT undefined
http://biblioteca.uc3m.es/External Subdomain Biblioteca de la Universidad Carlos III de Madrid
http://creativecommons.org/lic...External CC-BY-NC-SA 4.0
https://uc3m.libapps.com/libap...External Subdomain Inicia sesión de LibApps
https://aplicaciones.uc3m.es/f...External Subdomain Contacta con biblioteca
https://www.uc3m.es/inicio/inf...New window External Subdomain Información legal

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://uc3m.libguides.com/guias_tematicas"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.31 seconds.
The file size of the HTML document is fine (32 kB).

HTTP Response Header

NameValue
servernginx
dateThu, 15 May 2025 02:49:17 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
x-springy-cache-disabled0
x-backend-serverlibguides-eu-2.springyaws.com
x-content-type-optionsnosniff
content-security-policyupgrade-insecure-requests
strict-transport-securitymax-age=31536000; preload
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 1 referring domains.
This page only has 261 backlinks.
This page only has few backlinks from 1 different ip addresses.
This page is referenced by wikipedia.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: discobot
Disallow: /

User-agent: AddThis.com
Disallow: /

User-agent: Yandex
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Baiduspider-video
Disallow: /

User-agent: Baiduspider-image
Disallow: /

User-agent: SemrushBot
Disallow: /

User-agent: SemrushBot-SA
Disallow: /

User-agent: Amazonbot
Disallow: /

User-agent: GPTBot
Disallow: /

User-Agent: W3C-checklink
Crawl-delay: 0

User-agent: Twitterbot
Crawl-delay: 0
Disallow:

User-agent: Applebot
Disallow: /

User-agent: *
Crawl-delay: 10
    Disallow: /az.php?
    Disallow: /az/databases?
    Disallow: /er.php
    Disallow: /err.php
    Disallow: /friendly.php
    Disallow: /go.php
    Disallow: /ld.php
    Disallow: /srch.php

    Sitemap: https://uc3m.libguides.com/sitemap.xml

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Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Guías74%Check
Guías temáticas73%Check
temáticas72%Check
Guías temáticas UC3M71%Check
UC3M68%Check
III de Madrid54%Check
Carlos III de Madrid53%Check
Universidad Carlos III51%Check
Madrid50%Check
de recursos48%Check
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